Nonstop flight route between Tonopah, Nevada, United States and Sofia, Bulgaria:

About this route:

A direct, nonstop flight between Tonopah Test Range Airport (XSD), Tonopah, Nevada, United States and Sofia Airport Vrazhdebna (SOF), Sofia, Bulgaria would travel a Great Circle distance of 6,339 miles (or 10,202 kilometers).

A Great Circle is the shortest distance between 2 points on a sphere. Because most world maps are flat (but the Earth is round), the route of the shortest distance between 2 points on the Earth will often appear curved when viewed on a flat map, especially for long distances. If you were to simply draw a straight line on a flat map and measure a very long distance, it would likely be much further than if you were to lay a string between those two points on a globe. Because of the large distance between Tonopah Test Range Airport and Sofia Airport Vrazhdebna, the route shown on this map most likely appears curved because of this reason.

Try it at home! Get a globe and tightly lay a string between Tonopah Test Range Airport and Sofia Airport Vrazhdebna. You'll see that it will travel the same route of the red line on this map!

Departure Airport Information:

Arrival Airport Information:

Facts about Tonopah Test Range Airport (XSD):

• After the 4477th TES was inactivated, the remaining assets were reconstituted as a detachment of the 57th Fighter Wing at Nellis AFB.
• In 1980 the 4477th TEF was re-designated as the 4477th Test and Evaluation Squadron and the operation was renamed again to Constant Peg.
• The furthest airport from Tonopah Test Range Airport (XSD) is Pierrefonds Airport (ZSE), which is located 11,207 miles (18,036 kilometers) away in Saint-Pierre, Réunion.
• The MiG-21 posed a major threat to Israeli Air Defenses as well as to American pilots over the skies of North Vietnam.
• Pakistan was the first and largest customer of the J-6 receiving nearly 300 aircraft, mostly of the J-6C variety.
• The Tonopah Range Airport first opened in 1957, supporting operations on the Test Range itself, which was used for United States Atomic Energy Commission ) funded weapon programs.
• The closest airport to Tonopah Test Range Airport (XSD) is Tonopah Airport (TPH), which is located 25 miles (40 kilometers) NW of XSD.
• Several locations were considered, Michael Army Airfield at the Dugway Proving Grounds in Utah, and the Gila Bend Air Force Auxiliary Field on the Goldwater Range in Arizona.

Facts about Sofia Airport Vrazhdebna (SOF):

• The furthest airport from Sofia Airport Vrazhdebna (SOF) is Chatham Islands (CHT), which is located 11,437 miles (18,405 kilometers) away in Waitangi, Chatham Islands, New Zealand.
• Sofia Airport Vrazhdebna handled 350,432 passengers last year.
• A significant and recurring operational criticism of Sofia Airport has concerned its historical lack of all-weather operations capability.
• Contract for detailed design and construction of a new control tower of the airport and forming an ATM Glavbolgarstroy.
• The new tower is an extremely important facility for both ATC and the airport because it is related to the safety and security of flights, explained by the transport department.
• Sofia Airport Vrazhdebna (SOF) currently has only 1 runway.
• Lufthansa Technik Sofia was founded in late 2007 as a joint venture between Lufthansa Technik and the Bulgarian Aviation Group.
• During the Second World War, the facilities were used by the military.
• The closest airport to Sofia Airport Vrazhdebna (SOF) is Plovdiv Airport (PDV), which is located 86 miles (138 kilometers) ESE of SOF.
• The construction of the new Sofia tower is related to the reconstruction and development of Sofia Airport and is the natural extension of the development of the airport complex.
• In addition to being known as "Sofia Airport Vrazhdebna", other names for SOF include "Vrazhdebna Airport" and "Летище София".